Where I live, no. But I imagine it's determined on a "state-by-state" basis.
Generally, vehicles traveling in the OPPOSITE direction do not need to stop for a loading/unloading school bus on a divided highway.
You should research the driving laws for YOUR state; they may be different.
no. if there is any type of median in between the two side u do not have to stop, but most people do any way. if u dont believe me Google it.
Added: The laws of the various states may be different. In the states that I am familiar with - unless the 4 lane roadway is divided by PHYSICAL BARRIER (i.e.: grassed or treed median or a fence/barrier of some type), over which vehicles cannot drive, you must stop. A paved median would not fulfill this requirement and you would have to stop for the signalling bus.
No.
No
yes
No.
As the question is worded - no, they do not.
I would not think so under those conditions.
yes
On a divided highway with a pronounced barrier, no.
No
Yes, you should stop.
al vehicles are to stop
Heavier vehicles and vehicles traveling in combination with other vehicles have